Pivotal dump bucket



Get. 9 1923. 1,470,086

I. D. LANDIS PIVOTAL DUMP BUCKET Filed May 11. 1921 I gwve n ro'e(27/2092 1 Za zdzZs /&

Patented Oct. 9, 1923.'

UNITED s ratus traces earur ;o rricegf I i-WIN n5 LANDIS, or soU'rHBEND. INDZYEA'NAQ/IL'SSIGNOR ro uN-rv'nn'snn CONVEYOR 00;, or sourrr.BEND, INDIANA, A conronnrroN or I DIAN v,

rrvo rAn DUMP BUCKET;

' Application filed May 11, wait-wfierial No. 468561;.

ToaZZ'w/wm itmay'cancemt:

Be it known that I, 'IRwrN D. LANDIS, a citizen of the United States,residing at South Bend, in the county of St. Joseph and State ofIndiana-,have invented. certain new and useful Improvements in PivotalDump Buckets, of which, the following isa specification.

The invention relates to pivoted dump buckets preferably of the typeused in. con nection with loadinga-nd unloading apparatus, and: has forits object to provide a bucket so constructed; that said bucket may befilled by scooping, and then conveyed'to F a dump pile, lowered intocontactwith said pile unlatched and allowed to dump by gravity. and; to:right. itself by gravity after a dumping operation, andrelatch.

A further object is to provide a conveyin and dumping bucket, which.bucket. is self filling, self-dnmping,i self-righting and selflatching,thereby. obviating the useof extra mechanism for unlatchingj the bucketand also eliminating the use of eXtra labor.

A further object. is to provide aconveying, bucket comprising. a.receptacle pivoted between the'vertical arms of a bail,'one of said armshavinga downwardly extending notched arm. with which notch a pivotedlever carried by the lower side of thebucket' be made within the scopeof what is claimed without departing from the spirit of the invention.

In the drawings Figure 1 is a side elevation of the bucket. Figure 2 isa rear elevation of the bucket. Referring to the drawings, the numeral 1designates the bucket, which bucket is supported and pivoted between thearms 3 of the ail. l- The ba 4 is ad pt to be attaohed to' any kind of.hoisting anditraveler mechanism whereby-said bucket as a whole may bemoved to a point of loading and toa'point of dumping. rThe bucket'l isprovidedrwith, pintles, 5, which piritles: are

.disposedabove the center of the bucket" so dentto-the pivotal point ofthe bucket being;

above the-center thereof. Seoured to'the,

underside of the bucket 1 are spaced" angle members'T, betweenthedownwardly extend;-

ing. flanges-of which is pivoted a transversely disposed latchjbar 8.Latch bar 8 hasits outer end 9 projecting beyondone side of the bucketl, and when thebuoket '1 is returned to normal position asshownin-Figure 1,the; end 9 of said latch bar engages thearcuatecammingsurface 10 of a plate 11 carried by downwardly extending extension 12 ofone of the arms 3Iof the bail, saidplate llb'eing provide-dwithl anotch: 13 for the reception of] said. keeper bar end 9. When the end 910f" the keeper bar 8 isfi n. the notch 13.,itfwill be seen, that when.the bucket 1 is. filled'with:

"material, thateven though the capacity of.

the bucket, forwardly ofthe pivotal point thereof, is slightly greaterthan the capacity of the bucket rearwardly of the pivotal point, saidlatch bar 8 will prevent the, bucket from dumping when it is beingconveyed to the point of dumping, such for instance as a coal pile.lVhen the bucket 1 has been conveyed to the point of dumping the same islowered preferably in engagement with the top of the pile of material,which action will cause the plate 14 carried by the rear end 15 of thelatch bar 8' to come into engagement with said material and force theend 15 upwardly. The upward movement of the end 15 of the latchbar 8upon its initial movement will move the end 9 of the latch bar out ofthe notch 1310f the extension 12 of the arm 3. Just as soon as the end 9has. been move suflicient y o clear the plate 11, the bucket 1, theforward end 6 of which contains the greater amount of material, andconsequently is the heaviest,

will pivot in the direction of the arrow a,-

thereby dumping the material, and as the bucket is raised after adumping operation, said bucket will right itself as shown in Figure 1,during which righting action the end 9 of the latch bar 8 will come intoengagement with a camming surface 10 of the plate 11 and be cammed intoengagement with thenotch 13, thereby holding the bucket against tiltingas it is moved to the loading position. i

5 The loading of the bucket may be accompli'sh'ed in any way desired,such for instance as by'scooping the material, disposing the same undera chute, or manually loading the bucket. However, it is obvious that thebucket may be filled by scooping, then con-- veyed to a point ofdumping, lowered into engagement with the stack of material or any othertripping device, allowed to tilt by gravity and dumped. After thedumping operation said bucket righting itself and relatching by gravity.By providing a structure wherein the above operations are accomplishedin the matter set forth, it will beseen-that the use of labor is reducedto a minimum, and that one man can conduct afloading,conveying anddumping operation. Also that a device is provided which is positive inits operation and one wherein springs, trap doors, or other mechanismsapt to get out of order are eliminated.

The invention having been set forth what is claimed as new and useful is2,-

' 1'; A co'nx 'eying and dumping bucket, said bucket comprising a bodyportion supported andpivoted in a bail, said body portion being pivotedin said bail in such a .manner thatsaid bucket Will right itselfbygravity after a dumping operation, and latching means for maintainingsaid bucket normally in a righted position, including a lever extendingbeneath the bucket and adapted to be tripped to release the bucket uponcontact with anobject.

2. A conveying-and dumping bucket pivoted in a supporting bail, saidbucket being so pivoted in said bail that it will tilt under afloadcarried therein and right itself upon discharge of said load, andlatching means ,for holding said bucket against pivotal action includinga trip lever pivoted to the under side of and having a free endextending beneath the bucket.

3. The combination with a bucket pivoted in a supporting-'bail'andbetween arms of said bail, of means for holding said bucket againstpivotal action, said means comprising an extension carried by one of thearms of the bail and terminating adjacent the lowe'r'side of thebucke't'and provided with a notch, a latch lever pivoted" below thebucket and'having oneof its ends extending beyond the side of the bucketand cooperating with the notch in saidextension, the inner end of saidlatch" lever being heavier than the outer end thereof and adapted to beengaged by an obstruction for releasing said latch lever;

' 4. The combination with a bucket pivoted in a supporting bail andbetween arms of said bail, of means for holding said bucket againstpivotal action, said means comprising an extensioncarried by one of thearms of the bail andterminating adjacentthe lower end of the bucket andprovided with a notch, a latch lever pivoted to the under side of thebucket and having one of its ends extending beyond the side of thebucket and cooperating with the notch in saidextension, a plate carriedby' the extension" and provided with an arcuate cam'ming surfacepositioned for guiding the latch lever into the notch of the extension,the inner end I of said latch lever being heavier than the outer endthereof.

In testimony whereof I affix my signature.

IRWIN D. LANDIS.

